X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/e7b470eefa0499d0edbdda4f466eb77b17c2067b..453a5e964ef7404909132a4c5e9e734026fc93a3:/apt-pkg/deb/deblistparser.cc?ds=sidebyside

diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index 267636776..896d4d6d8 100644
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: deblistparser.cc,v 1.25 2001/05/27 05:36:04 jgg Exp $
+// $Id: deblistparser.cc,v 1.29.2.5 2004/01/06 01:43:44 mdz Exp $
 /* ######################################################################
    
    Package Cache Generator - Generator for the cache structure.
@@ -15,6 +15,7 @@
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/crc-16.h>
+#include <apt-pkg/md5.h>
 
 #include <ctype.h>
 
@@ -104,6 +105,8 @@ bool debListParser::NewVersion(pkgCache::VerIterator Ver)
       return false;
    if (ParseDepends(Ver,"Conflicts",pkgCache::Dep::Conflicts) == false)
       return false;
+   if (ParseDepends(Ver,"Breaks",pkgCache::Dep::DpkgBreaks) == false)
+      return false;
    if (ParseDepends(Ver,"Replaces",pkgCache::Dep::Replaces) == false)
       return false;
 
@@ -117,6 +120,48 @@ bool debListParser::NewVersion(pkgCache::VerIterator Ver)
    return true;
 }
 									/*}}}*/
+// ListParser::Description - Return the description string		/*{{{*/
+// ---------------------------------------------------------------------
+/* This is to return the string describing the package in debian
+   form. If this returns the blank string then the entry is assumed to
+   only describe package properties */
+string debListParser::Description()
+{
+   if (DescriptionLanguage().empty())
+      return Section.FindS("Description");
+   else
+      return Section.FindS(("Description-" + pkgIndexFile::LanguageCode()).c_str());
+}
+                                                                        /*}}}*/
+// ListParser::DescriptionLanguage - Return the description lang string	/*{{{*/
+// ---------------------------------------------------------------------
+/* This is to return the string describing the language of
+   description. If this returns the blank string then the entry is
+   assumed to describe original description. */
+string debListParser::DescriptionLanguage()
+{
+   return Section.FindS("Description").empty() ? pkgIndexFile::LanguageCode() : "";
+}
+                                                                        /*}}}*/
+// ListParser::Description - Return the description_md5 MD5SumValue	/*{{{*/
+// ---------------------------------------------------------------------
+/* This is to return the md5 string to allow the check if it is the right
+   description. If no Description-md5 is found in the section it will be
+   calculated.
+ */
+MD5SumValue debListParser::Description_md5()
+{
+   string value = Section.FindS("Description-md5");
+
+   if (value.empty()) 
+   {
+      MD5Summation md5;
+      md5.Add((Description() + "\n").c_str());
+      return md5.Result();
+   } else
+      return MD5SumValue(value);
+}
+                                                                        /*}}}*/
 // ListParser::UsePackage - Update a package structure			/*{{{*/
 // ---------------------------------------------------------------------
 /* This is called to update the package with any new information 
@@ -150,9 +195,10 @@ unsigned short debListParser::VersionHash()
 //                            "Suggests",
 //                            "Recommends",
                             "Conflicts",
+                            "Breaks",
                             "Replaces",0};
    unsigned long Result = INIT_FCS;
-   char S[300];
+   char S[1024];
    for (const char **I = Sections; *I != 0; I++)
    {
       const char *Start;
@@ -173,7 +219,7 @@ unsigned short debListParser::VersionHash()
 	 if (*Start == '>' && Start[1] != '>' && Start[1] != '=')
 	    *I++ = '=';
       }
-      
+
       Result = AddCRC16(Result,S,I - S);
    }
    
@@ -247,6 +293,8 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg,
                             {"installed",pkgCache::State::Installed},
                             {"half-installed",pkgCache::State::HalfInstalled},
                             {"config-files",pkgCache::State::ConfigFiles},
+                            {"triggers-awaited",pkgCache::State::TriggersAwaited},
+                            {"triggers-pending",pkgCache::State::TriggersPending},
                             {"post-inst-failed",pkgCache::State::HalfConfigured},
                             {"removal-failed",pkgCache::State::HalfInstalled},
                             {}};
@@ -268,11 +316,7 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg,
    
    return true;
 }
-									/*}}}*/
-// ListParser::ParseDepends - Parse a dependency element		/*{{{*/
-// ---------------------------------------------------------------------
-/* This parses the dependency elements out of a standard string in place,
-   bit by bit. */
+
 const char *debListParser::ConvertRelation(const char *I,unsigned int &Op)
 {
    // Determine the operator
@@ -331,6 +375,11 @@ const char *debListParser::ConvertRelation(const char *I,unsigned int &Op)
    return I;
 }
 
+									/*}}}*/
+// ListParser::ParseDepends - Parse a dependency element		/*{{{*/
+// ---------------------------------------------------------------------
+/* This parses the dependency elements out of a standard string in place,
+   bit by bit. */
 const char *debListParser::ParseDepends(const char *Start,const char *Stop,
 					string &Package,string &Ver,
 					unsigned int &Op, bool ParseArchFlags)
@@ -376,12 +425,12 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
       const char *End = I;
       for (; End > Start && isspace(End[-1]); End--);
       
-      Ver = string(Start,End-Start);
+      Ver.assign(Start,End-Start);
       I++;
    }
    else
    {
-      Ver = string();
+      Ver.clear();
       Op = pkgCache::Dep::NoOp;
    }
    
@@ -391,7 +440,7 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
    if (ParseArchFlags == true)
    {
       string arch = _config->Find("APT::Architecture");
-      
+
       // Parse an architecture
       if (I != Stop && *I == '[')
       {
@@ -402,6 +451,7 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
 	 
          const char *End = I;
          bool Found = false;
+      	 bool NegArch = false;
          while (I != Stop) 
 	 {
             // look for whitespace or ending ']'
@@ -410,8 +460,14 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
 	 
 	    if (End == Stop) 
 	       return 0;
-	    
-	    if (stringcmp(arch.c_str(),arch.c_str()+arch.length(),I,End) == 0)
+
+	    if (*I == '!')
+            {
+	       NegArch = true;
+	       I++;
+            }
+
+	    if (stringcmp(arch,I,End) == 0)
 	       Found = true;
 	    
 	    if (*End++ == ']') {
@@ -422,8 +478,11 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
 	    I = End;
 	    for (;I != Stop && isspace(*I) != 0; I++);
          }
+
+	 if (NegArch)
+	    Found = !Found;
 	 
-         if (Found == false) 
+         if (Found == false)
 	    Package = ""; /* not for this arch */
       }
       
@@ -493,11 +552,12 @@ bool debListParser::ParseProvides(pkgCache::VerIterator Ver)
       Start = ParseDepends(Start,Stop,Package,Version,Op);
       if (Start == 0)
 	 return _error->Error("Problem parsing Provides line");
-      if (Op != pkgCache::Dep::NoOp)
-	 return _error->Error("Malformed provides line");
-
-      if (NewProvides(Ver,Package,Version) == false)
-	 return false;
+      if (Op != pkgCache::Dep::NoOp) {
+	 _error->Warning("Ignoring Provides line with DepCompareOp for package %s", Package.c_str());
+      } else {
+	 if (NewProvides(Ver,Package,Version) == false)
+	    return false;
+      }
 
       if (Start == Stop)
 	 break;
@@ -538,7 +598,7 @@ bool debListParser::Step()
       if (Section.Find("Architecture",Start,Stop) == false)
 	 return true;
 
-      if (stringcmp(Arch.c_str(),Arch.c_str()+Arch.length(),Start,Stop) == 0)
+      if (stringcmp(Arch,Start,Stop) == 0)
 	 return true;
 
       if (stringcmp(Start,Stop,"all") == 0)
@@ -553,16 +613,23 @@ bool debListParser::Step()
 // ---------------------------------------------------------------------
 /* */
 bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator FileI,
-				    FileFd &File)
+				    FileFd &File, string component)
 {
-   pkgTagFile Tags(&File);
+   pkgTagFile Tags(&File, File.Size() + 256); // XXX
    pkgTagSection Section;
    if (Tags.Step(Section) == false)
       return false;
 
+   //mvo: I don't think we need to fill that in (it's unused since apt-0.6)
+   //FileI->Architecture = WriteUniqString(Arch);
+   
+   // apt-secure does no longer download individual (per-section) Release
+   // file. to provide Component pinning we use the section name now
+   FileI->Component = WriteUniqString(component);
+
    const char *Start;
    const char *Stop;
-   if (Section.Find("Archive",Start,Stop) == true)
+   if (Section.Find("Suite",Start,Stop) == true)
       FileI->Archive = WriteUniqString(Start,Stop - Start);
    if (Section.Find("Component",Start,Stop) == true)
       FileI->Component = WriteUniqString(Start,Stop - Start);
@@ -578,7 +645,7 @@ bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator FileI,
    if (Section.FindFlag("NotAutomatic",FileI->Flags,
 			pkgCache::Flag::NotAutomatic) == false)
       _error->Warning("Bad NotAutomatic flag");
-   
+
    return !_error->PendingError();
 }
 									/*}}}*/